CVE-2023-3734Network attack vector

Omnibox spoofing via Picture-in-Picture implementation error

Published Aug 1, 2023 · Updated Feb 13, 2025

UI spoofing in Picture-in-Picture in Google Chrome before 115.0.5790.98 allows remote attackers to spoof the Omnibox via crafted HTML. Google has not published the specific implementation error that permits the page to misrepresent the URL bar. A user must open the crafted page and interact with its Picture-in-Picture presentation; the documented impact is misleading origin information, not data access or code execution.

CVSS severity4.3
Medium
EPSS probability0.61%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

UI spoofing in Picture-in-Picture in Google Chrome before 115.0.5790.98 allows remote attackers to spoof the Omnibox via crafted HTML. Google has not published the specific implementation error that permits the page to misrepresent the URL bar. A user must open the crafted page and interact with its Picture-in-Picture presentation; the documented impact is misleading origin information, not data access or code execution.

The record

CVE
CVE-2023-3734
Published
Aug 1, 2023
Updated
Feb 13, 2025
Vendor
Google Cloud
Product
Google Chrome
Classifications
T1036
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 1, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=115.0.5790.98 <115.0.5790.98

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Google Cloud · Google Chromeversion=115.0.5790.98 <115.0.5790.98

Published CVSS scores

4.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1036Masquerading

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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